Battle (noun)

1. A combat between opposing military forces.
2. A struggle between opposing forces or for a particular end.
3. An exertion of force or power to achieve a desired end.
4. A conflict between rival groups, especially in politics.
5. A decisive or contested struggle.

Origin:

Middle english, from old french, from latin battualia, from battuere to beat, fight.

Examples:

1. The battle lasted for three days.
2. The battle for control of the company was intense.
3. The battle against the disease was long and difficult.
4. The two candidates were locked in a battle for the presidency.
5. The battle between the two armies was one of the largest in history.